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large_message.go
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/
large_message.go
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package pluginaws
import (
"bytes"
"fmt"
"strings"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/s3"
"github.com/aws/aws-sdk-go/service/sqs"
"github.com/sedaprotocol/seda-chain/plugins/indexing/types"
)
const (
MaxMessageBodyLengthBytes = 100_00 // ~100KB
)
func (sc *SqsClient) uploadToS3(key string, body []byte, ctx *types.BlockContext) (*types.Message, error) {
sc.logger.Trace("uploading to S3", "key", key)
response, err := sc.s3Client.PutObject(&s3.PutObjectInput{
Bucket: aws.String(sc.bucketName),
Body: bytes.NewReader(body),
Key: aws.String(key),
})
if err != nil {
return nil, err
}
sc.logger.Trace("upload to S3 successful", "key", key, "etag", *response.ETag)
data := struct {
Key string `json:"key"`
ETag string `json:"ETag"`
}{
Key: key,
ETag: *response.ETag,
}
return types.NewMessage("large-message", data, ctx), nil
}
func batchEntrySize(msg *string, msgAttr map[string]*sqs.MessageAttributeValue) (int, error) {
var size int
if msg != nil {
size += len(*msg)
}
for k, v := range msgAttr {
dataType := v.DataType
size += len(k)
size += len(*dataType)
switch {
case strings.HasPrefix(*dataType, "String") || strings.HasPrefix(*dataType, "Number"):
size += len(*v.StringValue)
case strings.HasPrefix(*dataType, "Binary"):
size += len(v.BinaryValue)
default:
return -1, fmt.Errorf("unexpected data type: %s", *dataType)
}
}
return size, nil
}